Cirsium toyoshimae
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| Cirsium toyoshimae | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Cirsium |
| Species: | †C. toyoshimae |
| Binomial name | |
| †Cirsium toyoshimae | |
Cirsium toyoshimae (トヨシマアザミ, Toyoshima-azami) is an extinct species of thistle in the family Asteraceae that was endemic to the Bonin Islands of Tōkyō Metropolis, Japan.[2][3]
The species was first described by Japanese botanist Gen-ichi Koidzumi in 1919.[2]